Source/BreakpointManager.m

   1 /*
   2  * MacGDBp
   3  * Copyright (c) 2007 - 2008, Blue Static <http://www.bluestatic.org>
   4  *
   5  * This program is free software; you can redistribute it and/or modify it under the terms of the GNU
   6  * General Public License as published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
  10  * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along with this program; if not,
  14  * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  15  */
  16
  17 #import "BreakpointManager.h"
  18
  19 @implementation BreakpointManager
  20
  21 /**
  22  * Initializer
  23  */
  24 - (id)init
  25 {
  26         if (self = [super init])
  27         {
  28                 if (!breakpoints)
  29                 {
  30                         breakpoints = [[NSMutableDictionary alloc] init];
  31                 }
  32         }
  33         return self;
  34 }
  35
  36 /**
  37  * Returns the shared manager (singleton)
  38  */
  39 + (BreakpointManager *)sharedManager
  40 {
  41         static BreakpointManager *manager;
  42         if (!manager)
  43         {
  44                 manager = [[BreakpointManager alloc] init];
  45         }
  46         return manager;
  47 }
  48
  49 /**
  50  * Registers a breakpoint at a given line
  51  */
  52 - (void)addBreakpoint:(Breakpoint *)bp;
  53 {
  54         NSMutableSet *lines = [breakpoints valueForKey:[bp file]];
  55         if (lines == nil)
  56         {
  57                 lines = [NSMutableSet setWithObject:bp];
  58                 [breakpoints setValue:lines forKey:[bp file]];
  59         }
  60         else
  61         {
  62                 [lines addObject:bp];
  63         }
  64 }
  65
  66 /**
  67  * Removes a breakpoint at a given line/file combination, or nil if nothing was removed
  68  */
  69 - (Breakpoint *)removeBreakpointAt:(int)line inFile:(NSString *)file
  70 {
  71         NSMutableSet *lines = [breakpoints valueForKey:file];
  72         for (Breakpoint *b in lines)
  73         {
  74                 if ([b line] == line)
  75                 {
  76                         [lines removeObject:b];
  77                         return b;
  78                 }
  79         }
  80         return nil;
  81 }
  82
  83 /**
  84  * Returns all the breakpoints for a given file
  85  */
  86 - (NSSet *)breakpointsForFile:(NSString *)file
  87 {
  88         return [breakpoints valueForKey:file];
  89 }
  90
  91 /**
  92  * Checks to see if a given file has a breakpoint on a given line
  93  */
  94 - (BOOL)hasBreakpointAt:(int)line inFile:(NSString *)file
  95 {
  96         NSSet *lines = [breakpoints valueForKey:file];
  97         if (!lines)
  98         {
  99                 return NO;
 100         }
 101         for (Breakpoint *b in lines)
 102         {
 103                 if ([b line] == line)
 104                 {
 105                         return YES;
 106                 }
 107         }
 108         return NO;
 109 }
 110
 111 @end